Add 6/20 and 3/40
6/20 + 3/40 is 3/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Add the two like fractions:
12/40 + 3/40 = 12 + 3/40 = 15/40 - 15/40 simplified gives 3/8
- So, 6/20 + 3/40 = 3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+3/40 6/20+6/40 6/40+3/40 6/20+3/80 18/20+3/40 6/20+9/40 6/60+3/40 30/20+3/40 6/20+15/40 42/20+3/40 6/20+21/40